JFFS2 wrong data CRC message

David Woodhouse dwmw2 at infradead.org
Wed May 2 08:23:24 EDT 2007

On Wed, 2007-05-02 at 12:19 +0300, Adrian Hunter wrote:
> Can someone explain why this message is not an error?
> JFFS2 notice: (17573) read_dnode: wrong data CRC in data node at
> 0x07e85800: read 0x86c6656c, calculated 0xaf4f2bc5. 

Because it's almost certainly harmless. It usually just means that you
rebooted or reset without cleanly unmounting -- and thus without the
writebuffer getting flushed to finish the node it was writing at the
time. So the data CRC fails, and the node is ignored.


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